It looked heavy to me too. The metal (steel?) lugs look fairly massive. Possibly they've used a heavier section for the bamboo tubes than they need to, so as to avoid having one fall to pieces on them. It's not bikes, but if you're interested in bamboo as an engineering material, Simon Velez's work is just incredible: http://www.organiclightsculptures.com/NNP/files/bamboo_chair_01.jpg http://www.asd-realtime.org/wp-content/uploads/2008/11/ajay.jpg http://img88.imageshack.us/i/20118ml8.jpg/
@Mister_Baxter started
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It looked heavy to me too. The metal (steel?) lugs look fairly massive. Possibly they've used a heavier section for the bamboo tubes than they need to, so as to avoid having one fall to pieces on them.
It's not bikes, but if you're interested in bamboo as an engineering material, Simon Velez's work is just incredible:
http://www.organiclightsculptures.com/NNP/files/bamboo_chair_01.jpg
http://www.asd-realtime.org/wp-content/uploads/2008/11/ajay.jpg
http://img88.imageshack.us/i/20118ml8.jpg/